Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
electrocutioner
←
English
electrocution
(blend)
←
English
executioner
(blend)
←
English
electrocution
(suffix)
←
English
er
(suffix)
←
Proto-Indo-European
*sekʷ-
(root)